Systemic solutions
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Automobile Industry
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Low Noise Solution For Intake And Exhaust Systems
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Interior Product Performance Optimization And Cost Reduction Solutions
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Low Noise Solution For Hydrogen Fuel Cell System
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Low Noise Solution For Vehicle Electric Drive System
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Low Noise Solution For Vehicle Air Conditioning System
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Vehicle Damping Layout Optimization And Lightweight Solutions
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Aviation Industry
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Material Industry
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Other Industry
Low noise solution for vehicle electric drive system
1. Background introduction
1.1 Introduction to the problems of vibration and noise in the electric drive assembly system of electric vehicles
· Problems arising:
· High-frequency noise in the cabin (high-frequency motor howling, reducer howling, gear knocking noise, etc.);
· Vibration problems at low speeds.
· Main sources of noise and vibration:
· Motor noise in the electric drive assembly;
· Reducer noise in the electric drive assembly.
Integration of electric drive system into vehicle
Electric drive system
Suspension bracket
Quote: Picture quotes NIO ES8 model photo
2. BOACH acoustic electric drive system low noise solution
· BOACH Acoustics provides systematic solutions for electric drive system manufacturers and vehicle manufacturers, mainly involving the following work content:
2.1 BOACH acoustic source side noise suppression solution:
· Electric drive system noise optimization:
· Modal analysis/testing;
· Vibration noise analysis/testing;
· Formulation and verification of vibration and noise reduction solutions.
Motor modal analysis/test benchmarking
Vibration/noise analysis/testing and optimization
Vibration and noise reduction plan formulation and verification
2.2 BOACH acoustic transmission path side noise suppression solution:
· NVH matching and integration of electric drive system and vehicle:
· Frame load decomposition and suspension matching of structural path;
· Body and car air sound load decomposition and sound insulation design of air sound path;
· Noise reduction plan formulation and verification.
Structural load decomposition and suspension matching
Decomposition and verification of airborne sound loads
Vibration and noise reduction plan formulation and verification
Firewall penetration seal sound insulation analysis/testing
3. Application cases of BOACH acoustic electric drive system low noise solution:
· NVH solution cases for various electric drive assembly systems:
Contact us
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Address：
Room 901, Building 1, Phase 2, Yungu Phase 2, Fengxi New Town, Xixian New District, Xixian New District, Xi'an City, Shaanxi Province
Room 307, Building 1, Harbin Institute of Technology Robot Industrial Park, No. 488 Qianjin East Road, Economic Development Zone, Kunshan City, Jiangsu Province
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